Class: Datadog::Statsd::Connection

Inherits:
Object
  • Object
show all
Defined in:
lib/datadog/statsd/connection.rb

Direct Known Subclasses

UDPConnection, UDSConnection

Instance Method Summary collapse

Constructor Details

#initialize(telemetry) ⇒ Connection

Returns a new instance of Connection.



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# File 'lib/datadog/statsd/connection.rb', line 6

def initialize(telemetry)
  @telemetry = telemetry
end

Instance Method Details

#close ⇒ Object

Close the underlying socket



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# File 'lib/datadog/statsd/connection.rb', line 11

def close
  @socket && @socket.close
end

#write(payload) ⇒ Object 



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# File 'lib/datadog/statsd/connection.rb', line 15

def write(payload)
  logger.debug { "Statsd: #{payload}" } if logger
  flush_telemetry = @telemetry.flush?
  if flush_telemetry
    payload += @telemetry.flush()
  end

  send_message(payload)

  if flush_telemetry
    @telemetry.reset
  end

  telemetry.bytes_sent += payload.length
  telemetry.packets_sent += 1
rescue StandardError => boom
  # Try once to reconnect if the socket has been closed
  retries ||= 1
  if retries <= 1 &&
    (boom.is_a?(Errno::ENOTCONN) or
     boom.is_a?(Errno::ECONNREFUSED) or
     boom.is_a?(IOError) && boom.message =~ /closed stream/i)
    retries += 1
    begin
      @socket = connect
      retry
    rescue StandardError => e
      boom = e
    end
  end

  telemetry.bytes_dropped += payload.length
  telemetry.packets_dropped += 1
  logger.error { "Statsd: #{boom.class} #{boom}" } if logger
  nil
end